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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
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TAN Standard (Certified), Fisher Chemical

CAS: 79-09-4 Molecular Formula: C3H6O2 Molecular Weight (g/mol): 74.079 MDL Number: MFCD00212734 InChI Key: XBDQKXXYIPTUBI-UHFFFAOYSA-N PubChem CID: 1032 ChEBI: CHEBI:30768 IUPAC Name: propanoic acid SMILES: CCC(=O)O

PubChem CID 1032
CAS 79-09-4
Molecular Weight (g/mol) 74.079
ChEBI CHEBI:30768
MDL Number MFCD00212734
SMILES CCC(=O)O
IUPAC Name propanoic acid
InChI Key XBDQKXXYIPTUBI-UHFFFAOYSA-N
Molecular Formula C3H6O2
5

o-Xylene, Analytical Standard, ≥99.0% (GC), MilliporeSigma™ Supelco™

Boiling Point 143°C to 145°C
Linear Formula C6H4(CH3)2
Physical Form Neat
Grade Analytical Standard
Density 0.879 g/mL (at 20°C)
Vapor Density 3.7 (vs. air)
Vapor Pressure 16 mmHg (37.7°C)
Percent Purity ≥99.0% (GC)
CAS 95-47-6
MDL Number MFCD00008519
Synonym 1,2-Dimethylbenzene
RTECS Number ZE2450000
Shelf Life Limited shelf life, Expiry date on the label
Formula Weight 106.17
Melting Point -26°C to +23°C
6

Chlorhexidine acetate Pharmaceutical Secondary Standard, MilliporeSigma™ Supelco™

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

7

BOD, 500 mg/L Calibration Standard, Certified Reference Material, MilliporeSigma™ Supelco™

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

8

TraceCERT™ EPA 501/601 Trihalomethanes Calibration Mix, 200 μg/mL Each Component in Methanol, MilliporeSigma™ Supelco™

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

10

Turbidity 20 NTU Calibration Standard, Formazin Certified Reference Material, MilliporeSigma™ Supelco™

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Grade Certified Reference Material
11

PESTANAL™ Benomyl, MilliporeSigma™ Supelco™

Benomyl is characterized under the benzimidazole fungicide and is known to suppress fungal growth in a wide variety of plants. Its mode of action involves inhibition of tubulin polymerization.

12

VeriSpec™ Thiosulphate - S2O32- Standard for Ion Chromatography 1000 ppm in H2O, Ricca Chemical

CAS: 7772-98-7 Molecular Formula: Na2O3S2 Molecular Weight (g/mol): 158.10 MDL Number: MFCD00003499 InChI Key: AKHNMLFCWUSKQB-UHFFFAOYSA-L PubChem CID: 24477 IUPAC Name: disodium sulfanidesulfonate SMILES: [Na+].[Na+].[O-]S([S-])(=O)=O

PubChem CID 24477
CAS 7772-98-7
Molecular Weight (g/mol) 158.10
MDL Number MFCD00003499
SMILES [Na+].[Na+].[O-]S([S-])(=O)=O
IUPAC Name disodium sulfanidesulfonate
InChI Key AKHNMLFCWUSKQB-UHFFFAOYSA-L
Molecular Formula Na2O3S2
13

TraceCERT™ 1,1-Dichloroethene Solution, 1,000 μg/mL in Methanol, MilliporeSigma™ Supelco™

1,1-Dichloroethene is a highly reactive and flammable liquid, which can play the role of an intermediate in the production of copolymers with vinyl chloride or acrylonitrile.

14

PESTANAL™ Iprovalicarb, Mixture of isomers, MilliporeSigma™ Supelco™

Iprovalicarb belongs to the group of carboxylic acid amide fungicides with protective, curative, and eradicative systemic properties against plant pathogens such as Bremia lactucae, Plasmopara viticola and Phytophthora spp.